What probably caused the major increase in CO2 in the atmosphere?

a. too much methane from cows

b. the industrial revolution

c. sea-floor spreading

d. CFCs in aerosols

We saw when we studied weathering that physical weathering makes little pieces from big, and that chemical weathering dissolves some things and makes other chunks. The different chemicals went into different places, dissolved or in chunks.

Which continent is smaller in land area, europe or austrailia?

The Canadian Atlantic provinces are like New England because ... a. rich mineral deposits lie across the area b. they are both sparsely populated c. both have warm climate d. glacier shaped landscape

Why does germany currently face a problem with its social security system? A-does not have a high-technology workforce B-it lacks access to markets for its pruducts C-it has an aging population D-it lags behind europe in industrial output

What is the most practiced religion laos? Buddahism Islam Christianity Taoism

On earth, the four major spheres interact as a system. which of these spheres are absent, or nearly absent, on the moon? based on your answer, identify at least five processes that operate on earth but not on the moon ...

Which substance accounts for nearly 80 percent of Earth's atmosphere?

Why is the national Environment policy act the cornerstone of US environmental law?

One way in which the motives for the Arab Spring and for the French Revolution are similar is that people wanted to

In Germany, many of the trees in the forests are dying. This is because the waxy outer coating on their tree leaves is being damaged by A) drought. B) acid rain. C) biomediation. D) locust swarms.